1 . 词义匹配

A. the act of watching sb. / sth. carefully for a period of time, especially to learn sth. B. to continue to live or exist C. the state of no longer having sth. or as much of sth.; the process that leads to this D. to move slowly on water or in the air E. an action of coming or going down F. to save sb./ sth. from a dangerous or harmful situation G. making you feel very shocked and scared

1. Of the six people injured in the crash, only two survived.
2. Never in all my life have I seen such a horrible thing.
3. Most information was collected by direct observation of the animals’ behaviour.
4. He rescued a child from drowning.
5. The closure of the factory will lead to a number of job losses.

3 . The tragic sinking of this great liner will always be remembered, for she went down on her first voyage with heavy l________(损失) of life. (根据中英文提示填空）